Essential Openvz commands Rumi, May 31, 2017 1. Command to list the running VPSs in a node # vzlist Example: # vzlist CTID NPROC STATUS IP_ADDR HOSTNAME 106 104 running xx.xx.xx.xx server1.test.com 107 46 running xx.xx.xx.xx server2.test.com 108 83 running xx.xx.xx.xx server3.test.com 109 86 running xx.xx.xx.xx server4.test.com 2. This command lists all (running and stopped) the VPSs in a node. # vzlist -a Example: # vzlist -a CTID NPROC STATUS IP_ADDR HOSTNAME 106 104 running xx.xx.xx.xx server1.test1.com 107 46 running xx.xx.xx.xx server2.test2.com 108 83 running xx.xx.xx.xx server3.test3.com 109 86 running xx.xx.xx.xx server4.test4.com 110 - stopped xx.xx.xx.xx server5.test5.com 3, To start a VPS # vzctl start CTID Example: # vzctl start 110 4, To stop or shutdown a VPS # vzctl stop CTID Example: # vzctl stop 110 5, To view the status of a VPS # vzctl status CTID Example: # vzctl status 116 CTID 116 exist unmounted down 6, To restart a VPS # vzctl restart CTID Example: # vzctl restart 110 Logging into a container 7, To enter a VPS # vzctl enter CTID Example: # vzctl enter 106 entered into CT 106 8, Delete a container # vzctl destroy CTID 9, Suspending a container # vzctl suspend CTID 10, Set hostname for a Server # vzctl set CTID --hostname New_hostname --save 11, Add new IP to VPS # vzctl set CTID --ipadd xx.xx.xx.xx --save 12, Delete IP from VPS # vzctl set CTID --ipdel xx.xx.xx.xx --save 13, Reset root password of a VPS # vzctl set CTID --userpasswd root:new_password --save 14, To add NameServer IPs to VPS # vzctl set CTID --nameserver xx.xx.xx.xx --save 15, Executes commands for a container from node # vzctl exec CTID command Example: # vzctl exec 110 df -h # vzctl exec 101 df -h Filesystem Size Used Avail Use% Mounted on /dev/simfs 130G 89G 27G 78% / none 8.0G 4.0K 8.0G 1% /dev none 8.0G 0 8.0G 0% /dev/shm 16, To check the resource usages # vzcalc -v CTID Example: # vzcalc -v 110 # vzcalc -v 101 Resource Current(%) Promised(%) Max(%) Low Mem 1.53 182706895112.42 182706895112.42 Total RAM 33.79 n/a n/a Mem + Swap 1.73 38695649865149.61 n/a Alloc. Mem 2.95 38695649865149.61 38695649865149.61 Num. Proc 0.05 n/a 2395786836523892.00 -------------------------------------------- Memory 33.79 38695649865149.61 2395786836523892.00 Related Administrations Cloud OpenVZProxmox
Simple way to tune apache performance using mpm prefork module April 19, 2017 There could be many reasons why your website performance is poor, one of them can possibly be that Apache is not coping with the load. Below you’ll find ready to consume configuration to make Apache performance better using the Apache MPM prefork module. To do this, just include the below… Read More
Add Static Route on specific interface from Windows OS October 6, 2020 Find out the Interface ID on which you need to apply your static route- netsh interface ipv4 show interfaces It’ll look something similar below- And now apply your static route- route add 172.16.222.0 mask 255.255.255.0 172.16.221.193 IF 20 Related Read More
Reset lost root password on Ubuntu 18.04 Bionic Beaver Linux March 5, 2020 Boot Into GRUB menu The first step is to reboot into the GRUB menu. If Ubuntu 18.04 Bionic Beaver is the only operating system installed you need to keep pressing SHIFT for the GRUB menu to show up. Edit Grub Menu Using arrows select the Ubuntu menu or the menu… Read More